Examples of posed variation from a single subject and examples of the shape variation between subjects.

How much variation is there within a school or between schools?

Variation Selectors

Variation Selectors

There's variation.

Variation Selectors Supplement

Thirdly, variation in tempo.

Copying with variation and selection.

So how does variation happen?

The variation is very, very small.

You'll see some variation in colours .

Maybe there's variation in the population.

Over millions of years, variation and selection, variation and selection trial and error, trial and error.

And we hooked up with some people studying how much variation is there between teachers, between, say, the top quartile the very best and the bottom quartile.

And then you get variation amongst that.

There's an enormous amount of anatomical variation.

This is information copied with variation and selection.

So the idea is you have some variation.

So let's do another one in a slight variation.

Yet the people inside Africa have more genetic variation.

So it's a slight variation on this expression right here.

Now, the obvious question is what leads to this variation?

Just a little portrait shooting, but with quite some variation.

Variation in the bubble reading should not exceed one graduation

To think about culture variation, let's try a different metaphor.

It's because there's so much variation in the teaching profession.

Evolution acts as a sieve. It sieves out the bad variation.

As you can see, sign languages depend on each geographical variation.

These aren't schizophrenic individuals, but they do show some population variation.

And we even see amongst these owl butterflies, there is variation.

And this is another thing that speaks to just genetic variation.

You've seen Finland doing so well on PlSA, but what makes Finland so impressive is that only five percent of the performance variation amongst students lies between schools.

They vary between cultures, between nations, between individuals, between social classes, between education levels.

Again, what does it mean here? What does this variation actually mean?

But we've got a lot of variation in antibiotic sensitivity in Chile,

You can kind of view it as the variation as exploring. But

little bit more about how variation is actually introduced into a population.

And if you look outside Africa, you actually find less genetic variation.

The whole process of natural selection is to some degree dependent on the idea of variation, that within any population of a species, you have some genetic variation.

And so this microbial diversity differs between people, and what people have been thinking about in the last 10, maybe 15 years is, maybe these microbes, this microbial cloud in and on us, and the variation between us, may be responsible for some of the health and illness differences between us.

The reason for this is that we found no variation of those morphemes.

The principle is you just need those three things variation, selection and heredity.

Some variation might not matter at all, but some variations matter a lot.

Now, I entered this whole discussion because I wanted to talk about variation.

So there's a huge amount of variation that even one couple can produce.